Zack has to help his sisters make up after an out-of-this world argument in this twelfth Galaxy Zack chapter book adventure. Zack’s twin sisters are the best of friends. They’re never apart, share everything, and even finish each other’s sentences! But when the two get into an argument while visiting another planet, an astronomical fight ensues. Suddenly, Zack finds himself stuck in the middle of a tricky twin situation. Can he save Cathy and Charlotte’s sisterly bond from intergalactic destruction? With easy-to-read language and illustrations on almost every page, the Galaxy Zack chapter books are perfect for beginning readers!

Fans of this chapter-book series can join Zack as he takes a trip to the planet Juno, makes an amazing discovery, and learns the importance of teamwork! Illustrations.

Moving from Earth to the futuristic planet Nebulon in 2120, eight-year-old Zack is nervous about starting school and meeting people.

Zack and his friends are off to space camp on a new planet in the fourteenth Galaxy Zack adventure. Camp Among the Stars! Summer vacation is finally here and Zack is pumped for space camp! He can’t wait to play galactic games, tell scary stories, and go on crazy camping adventures with new friends. But when there’s trouble between his cabin mates, it’s up to Zack to bring everyone together. Will he be able to find a solution before the entire summer is ruined? With easy-to-read language and illustrations on almost every page, the Galaxy Zack chapter books are perfect for beginning readers.

"Picked to represent their planet Nebulon in the Interstellar Space Race, Zack and his friends navigate their specially designed car through an underwater maze, around planetary rings, and through the stars! But when trouble stirs within the team, Zack must take charge. Can he lead them to victory?"--

Marion and Shiva Stone are twin brothers born of a secret union between a beautiful Indian nun and a brash British surgeon. Orphaned by their mother’s death and their father’s disappearance and bound together by a preternatural connection and a shared fascination with medicine, the twins come of age as Ethiopia hovers on the brink of revolution. Moving from Addis Ababa to New York City and back again, Cutting for Stone is an unforgettable story of love and betrayal, medicine and ordinary miracles—and two brothers whose fates are forever intertwined.

Zack loves everything about his new planet, Nebulon, until there is a complete cosmic blackout and he must try to function without his Indoor Robotic Assistant and hyperphone.

"Zack is headed back to Earth for the first time since moving to Nebulon. He can't wait to see Bert and show his new friend, the former bully Seth Stevens, all around his old stomping grounds. When Zach's dog Luna escapes and goes missing, sightseeing plans take an unexpected turn. Will Zack find Luna before he has to head home to Nebulon?--

There’s snow place like home in this seventeenth Galaxy Zack adventure! The Nelsons are ready for a galactic winter vacation on a great new planet! And Zack’s best friend, Drake, is coming too! From solar-snowboarding, hydro-freeze fishing, supreme snowball fights, and epic ice forts, the boys can’t wait to dive into the winter games. But at the resort, Zack realizes there are a bunch of hurdles he wasn’t prepared for. Will Zack find a way to beat out the winter blues before it’s time to snow home? With easy-to-read language and illustrations on almost every page, the Galaxy Zack chapter books are perfect for beginning readers.

Zack doesn’t think ghosts exist—but a haunted Halloween might change his mind in the eleventh Galaxy Zack chapter book adventure. Zack absolutely, one hundred percent does not believe in ghosts—even when his friend Drake tells him that they are real. But as Halloween nears, weird things start to happen, and Zack begins to think that he might be haunted. Can Drake help Zack solve what goes bump in the night? With easy-to-read language and illustrations on almost every page, the Galaxy Zack chapter books are perfect for beginning readers.